package com.pet.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
public class EncodingFilter extends HttpServlet implements Filter {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private String encoding = null;
	public void init(FilterConfig filterConfig) throws ServletException {
		encoding = filterConfig.getInitParameter("encoding");
	}
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		System.out.println("encoding = " + encoding);
		request.setCharacterEncoding(encoding);
		response.setContentType("text/html;charset=" + encoding);    
		response.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
	}
}